red mud

red mud

[′red ′məd]
(geology)
A reddish terrigenous mud composed of up to 25% calcium carbonate and deriving its color from the presence of ferric oxide; found on the sea floor near deserts and near the mouths of large rivers.
(metallurgy)
An iron oxide-rich residue obtained in purifying bauxite in the Bayer process.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
For example, sometimes you might have red mud stains on your home.
is a Canadian cleantech company whose innovative and proprietary processes are expected to produce alumina and other high-value products, such as rare earth and rare metal oxides, at one of the lowest costs in the industry, and in a sustainable fashion, using feedstocks that include aluminous clay, kaolin, nepheline, bauxite, red mud, fly ash as well as serpentine residues from chrysotile processing sites.
Depending on the bauxite ore used and operational parameters within the Bayer process, residues may be dominated by a coarse-textured fraction (residue sand) or a fine-textured residue (red mud) (Courtney and Timpson 2005b; Wehr et al.
Unlike Ghana's existing bauxite mine at Awaso, which locals describe as a 'desert of red mud,' Atiwa Forest is teeming with life, home to at least 50 mammal species, more than 1,000 species of plants and at least 230 species of birds and more than 570 butterflies - some of which are found nowhere else in the world.
In phase one of the proposed project, East Hope would develop an alumina facility, while the second phase would include a red mud research centre and recycling project.
According to a statement, the proposed project could see the development of an aluminium facility in phase one, a red mud research centre and recycling project in phase two, and large-scale upstream and downstream non-ferrous metal processing facilities in phase three.
Of the three phases, the first would include East Hope developing an alumina facility, with the second phase covering the development of a red mud research centre and recycling project, and the final phase focusing on large-scale upstream and downstream non-ferrous metal processing facilities.
Abu Dhabi's first integrated trade, logistics, industrial and free zone and a subsidiary of Abu Dhabi Ports, Kizad said in the Phase One of the proposed project, East Hope would develop an alumina facility, while the second phase would include a red mud research centre and recycling project.
There's been no strategy, no clearly defined way forward - just throwing as much red mud at a wall and seeing - or hoping and praying - that it sticks.
Television footage showed a vast swathe of thick red mud scarring the verdant hills below the mine, cutting through farms and residential areas and leveling everything in its wake.